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Cheap flights from Helena to Milwaukee from $365

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Milwaukee departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Helena to Milwaukee

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:23 pm - 8:59 pmHLN  Helena-MKE Milwaukee-Mitchell
5h 36m1 stop Denver Intl
United Airlines Logo
8:30 am - 1:40 pmMKE  Milwaukee-Mitchell-HLN Helena
6h 10m1 stop Denver Intl
$429United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
6:28 am - 6:19 pmHLN  Helena-MKE Milwaukee-Mitchell
10h 51m2 stops Denver Intl Newark
United Airlines Logo
2:35 pm - 9:31 pmMKE  Milwaukee-Mitchell-HLN Helena
7h 56m1 stop Denver Intl
$434United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
6:28 am - 6:19 pmHLN  Helena-MKE Milwaukee-Mitchell
10h 51m2 stops Denver Intl Newark
United Airlines Logo
11:06 am - 9:31 pmMKE  Milwaukee-Mitchell-HLN Helena
11h 25m2 stops Newark Denver Intl
$439United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
2:35 pm - 11:59 pmHLN  Helena-MKE Milwaukee-Mitchell
8h 24m1 stop Denver Intl
United Airlines Logo
2:40 pm - 9:30 pmMKE  Milwaukee-Mitchell-HLN Helena
7h 50m1 stop Denver Intl
$450United Airlines
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
6:28 am - 6:19 pmHLN  Helena-MKE Milwaukee-Mitchell
10h 51m2 stops Denver Intl Newark
United Airlines Logo
9:33 am - 9:31 pmMKE  Milwaukee-Mitchell-HLN Helena
12h 58m2 stops Chicago O'Hare Intl Denver Intl
$474United Airlines
Sat, Nov 14 - Wed, Nov 18
United Airlines Logo
6:15 am - 1:29 pmHLN  Helena-MKE Milwaukee-Mitchell
6h 14m1 stop Denver Intl
United Airlines Logo
8:15 am - 1:45 pmMKE  Milwaukee-Mitchell-HLN Helena
6h 30m1 stop Denver Intl
$493United Airlines
Sun, Sep 6 - Sun, Sep 13
United Airlines Logo
6:15 am - 5:15 pmHLN  Helena-MKE Milwaukee-Mitchell
10h 00m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
8:15 am - 1:45 pmMKE  Milwaukee-Mitchell-HLN Helena
6h 30m1 stop Denver Intl
$498United Airlines
Sun, Sep 6 - Sun, Sep 13
United Airlines Logo
2:35 pm - 11:59 pmHLN  Helena-MKE Milwaukee-Mitchell
8h 24m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:45 pmMKE  Milwaukee-Mitchell-HLN Helena
9h 45m2 stops Chicago O'Hare Intl Denver Intl
$604United Airlines
Thu, Sep 3 - Tue, Sep 8
Delta Logo
12:55 pm - 11:53 pmHLN  Helena-MKE Milwaukee-Mitchell
9h 58m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
12:45 pm - 10:24 pmMKE  Milwaukee-Mitchell-HLN Helena
10h 39m2 stops Atlanta Hartsfield-Jackson Salt Lake City
$654Delta
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
6:15 am - 1:34 pmHLN  Helena-MKE Milwaukee-Mitchell
6h 19m1 stop Denver Intl
United Airlines Logo
2:40 pm - 9:30 pmMKE  Milwaukee-Mitchell-HLN Helena
7h 50m1 stop Denver Intl
$657United Airlines
Sun, Sep 13 - Fri, Sep 18

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United Airlines flights from Helena to Milwaukee

Our best United Airlines deals on Helena to Milwaukee flight tickets
United Airlines
Nov 14
HLN2:23 pmHelena
5h 36m
1 stop
MKE8:59 pmMilwaukee-Mitchell
Nov 18
MKE8:30 amMilwaukee-Mitchell
6h 10m
1 stop
HLN1:40 pmHelena
$429
United Airlines
Nov 14
HLN2:23 pmHelena
5h 36m
1 stop
MKE8:59 pmMilwaukee-Mitchell
Nov 18
MKE2:23 pmMilwaukee-Mitchell
8h 08m
2 stops
HLN9:31 pmHelena
$434
United Airlines
Nov 14
HLN6:28 amHelena
10h 51m
2 stops
MKE6:19 pmMilwaukee-Mitchell
Nov 18
MKE11:06 amMilwaukee-Mitchell
11h 25m
2 stops
HLN9:31 pmHelena
$439

Alaska Airlines flights from Helena to Milwaukee

Our best Alaska Airlines deals on Helena to Milwaukee flight tickets
Alaska Airlines
Sep 3
HLN5:11 pmHelena
16h 46m
2 stops
MKE10:57 amMilwaukee-Mitchell
Sep 8
MKE5:01 amMilwaukee-Mitchell
12h 40m
2 stops
HLN4:41 pmHelena
$773
Alaska Airlines
Sep 14
HLN5:18 pmHelena
19h 47m
1 stop
MKE2:05 pmMilwaukee-Mitchell
Sep 18
MKE1:18 pmMilwaukee-Mitchell
28h 23m
2 stops
HLN4:41 pmHelena
$846
Alaska Airlines
Sep 14
HLN5:18 pmHelena
16h 49m
2 stops
MKE11:07 amMilwaukee-Mitchell
Sep 18
MKE8:31 amMilwaukee-Mitchell
33h 10m
2 stops
HLN4:41 pmHelena
$864

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Helena to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sat 11/14

2:23 pm-8:59 pm

1 stop5h 36m

Milwaukee-Mitchell

Wed 11/18

8:30 am-1:40 pm

1 stop6h 10m

$429

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sat 11/14

6:28 am-6:19 pm

2 stops10h 51m

Milwaukee-Mitchell

Wed 11/18

2:35 pm-9:31 pm

1 stop7h 56m

$434

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sat 11/14

6:28 am-6:19 pm

2 stops10h 51m

Milwaukee-Mitchell

Wed 11/18

11:06 am-9:31 pm

2 stops11h 25m

$439

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Fri 9/4

2:35 pm-11:59 pm

1 stop8h 24m

Milwaukee-Mitchell

Tue 9/8

2:40 pm-9:30 pm

1 stop7h 50m

$450

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sat 11/14

6:28 am-6:19 pm

2 stops10h 51m

Milwaukee-Mitchell

Wed 11/18

9:33 am-9:31 pm

2 stops12h 58m

$474

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sun 9/6

6:15 am-1:29 pm

1 stop6h 14m

Milwaukee-Mitchell

Sun 9/13

8:15 am-1:45 pm

1 stop6h 30m

$493

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sun 9/6

6:15 am-5:15 pm

2 stops10h 00m

Milwaukee-Mitchell

Sun 9/13

8:15 am-1:45 pm

1 stop6h 30m

$498

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Thu 9/3

2:35 pm-11:59 pm

1 stop8h 24m

Milwaukee-Mitchell

Tue 9/8

5:00 am-1:45 pm

2 stops9h 45m

$604

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Fri 9/4

12:55 pm-11:53 pm

2 stops9h 58m

Milwaukee-Mitchell

Tue 9/8

12:45 pm-10:24 pm

2 stops10h 39m

$654

HelenaMilwaukee

HLN Helena - MKE Milwaukee-Mitchell

HLNMKE

Helena

Sun 9/13

6:15 am-1:34 pm

1 stop6h 19m

Milwaukee-Mitchell

Fri 9/18

2:40 pm-9:30 pm

1 stop7h 50m

$657

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Milwaukee from

How to get the cheapest flight ticket from Helena to Milwaukee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Helena to Milwaukee-Mitchell?

Alaska Airlines is the most popular carrier operating from Helena to Milwaukee-Mitchell

What airlines fly to Milwaukee?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Milwaukee from Helena according to our data. United Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Milwaukee. Keep in mind that there are 5 different airlines that fly to Milwaukee on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Milwaukee

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Milwaukee according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Milwaukee (HLN to MKE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Milwaukee

Fastest flight time

5h 36m

Direct flights

None
The fastest flight from Helena to Milwaukee takes 5h 36m
There are no direct flights from Helena to Milwaukee. There are no popular flight routes from Helena to Milwaukee.
Search flight deals

Frequently asked questions about flying from Helena to Milwaukee

  • How far is Helena to Milwaukee-Mitchell by plane?

    The distance between Helena and Milwaukee-Mitchell is about 1202.0 mi. By plane, this route typically takes 5h 36m.

  • When did momondo last update prices for flights from Helena Airport to Milwaukee-Mitchell Airport?

    Prices for flights from Helena Airport to Milwaukee-Mitchell Airport are updated daily.

  • How old do you have to be to fly from Helena Airport to Milwaukee-Mitchell Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Milwaukee-Mitchell Airport.

  • What documentation or ID do you need to fly to Milwaukee-Mitchell Airport?

    The travel and health documents you'll need for your trip to Milwaukee-Mitchell Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Milwaukee-Mitchell Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Milwaukee?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
Waukesha
Wauwatosa
Oak Creek
Mequon
Glendale
West Bend
Port Washington
Kohler
Pewaukee
New Berlin
Grafton

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Milwaukee?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helena to Milwaukee. momondo saves you time and could save you money on your trip.

Can I find flights from Helena to Milwaukee with flexible booking policies on momondo?

All flight searches from Helena to Milwaukee on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to Milwaukee?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helena to Milwaukee.

I’m not ready to book a flight from Helena to Milwaukee right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helena to Milwaukee flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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